Tracer tokens in Transactional Replicationhttp://blogs.msdn.com/b/arvindsh/archive/2006/06/07/620436.aspxA new feature of SQL Server 2005 Transactional Replication is the ability to use "Tracer Tokens" to measure true latency between publisher-distributor and also distributor-subscriber. More details at Measuring Latency and Validating Connections for TransactionalenTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)